Enable Smart Resume

If Outlook, Word, Excel, or PowerPoint shuts down unexpectedly and is restarted automatically (for example, by Document Recovery), the user is returned to a visual state similar to the state at shutdown. By default, this setting is enabled.

Supported on: At least Windows Vista
Registry HiveHKEY_CURRENT_USER
Registry Pathsoftware\policies\microsoft\office\14.0\common\restore workspace
Value Namerestoreworkspace
Value TypeREG_DWORD
Enabled Value1
Disabled Value0

office14.admx

Administrative Templates (Users)